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Salary
$79k – $119k per year
Location
In office (Lemont)
Seniority
Middle
Visa
H-1B filings in 12 months: 6
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Sep 18, 2026. ONEOK scores B on the Alion truth index.

Overview
Company
Impact
Profile match
ONEOK is a US midstream energy company headquartered in Tulsa, Oklahoma, that gathers, processes, fractionates, stores and transports natural gas, natural gas liquids, refined products and crude oil through pipelines and terminals. Founded in 1906 and listed on the New York Stock Exchange, it connects supply basins such as the Permian and Williston with market hubs including Mont Belvieu and the Texas and Louisiana Gulf Coast. It hires plant and pipeline operators, mechanics, instrumentation and electrical technicians, lab technicians, accountants, environmental professionals, systems analysts and interns.

#WeAreONEOK - Fortune 500 company. 100+ years in business. Leading midstream service provider. Safety first. Sustainable operations. Environmentally responsible. Employee focused.

JOB SUMMARY

ONEOK is seeking an Instrumentation Technician - Intermediate to support the safe, reliable operation of electrical, electronic, pneumatic, hydraulic, analyzer, measurement, control, and automation systems within ONEOK’s Natural Gas Liquids (NGL) segment. This role will install, inspect, troubleshoot, repair, calibrate, and maintain a variety of field equipment and systems, including instrumentation, switchgear, power distribution, SCADA, DCS, PLC systems, analyzers, transmitters, VFDs, motors, ESD systems, and related control equipment. The position will also maintain required records, support DOT-covered functions as applicable, and respond promptly to operating, safety, or equipment concerns.

This role is based on site in Lemont, IL and will also help support surrounding areas such as Morris and Rockford. Candidates must live within a reasonable drive time to Lemont, be able to work a Monday-Friday schedule, and participate in an on-call rotation. A company vehicle will be assigned, so a clean driving record is required.

The ideal candidate will bring hands-on instrumentation and electrical experience, with preferred exposure to switchgear and PLC programming. An associate degree or certificate in electronics, electrical engineering, or a similar field is preferred, though equivalent experience will also be considered. Successful candidates will be self-starters who take initiative, work well independently and as part of a team, communicate effectively across teams and functions, and demonstrate a strong commitment to safe work practices in high-pressure and flammable gas or liquids environments.

Job Profile Summary

Inspects and maintains and installs various electrical/electronic, pneumatic, hydraulic, analyzers, measurement, control and automation systems, and related equipment.

Essential Functions and Responsibilities

  • Install, operate, inspect, troubleshoot, repair, calibrate/adjust, and maintain the following equipment including but not limited to:
    • Gravitometers/Densitometers
    • Chromatographs
    • Telemetering systems
    • Moisture analyzers
    • ESD systems
    • Electronic odorization systems
    • AC Power distribution systems - single phase and three phase: 120V, 240V, 480V, 4160V
    • Motors
    • Switchgear
    • VFDs
    • Soft starters
    • 24V DC systems
    • Instrumentation
    • Flow computers
    • Pressure transmitters
    • Level transmitters
    • Flow transmitters
    • Temperature transmitters
    • Thermocouples
    • Meter tubes and orifice plates
    • Satellite equipment
    • Analytical equipment
    • Supervisory Control and Data Acquisition (SCADA) system and remote terminal units and equipment
    • Distributed Control System (DCS)
    • Programmable Logic Control (PLC) systems
    • Perform preventative maintenance and/or analytical testing on compressors/engines, drivers, and auxiliary equipment
    • Maintain electrical power circuits, switch gear, and power distribution
    • Install and maintain security/intrusion systems
    • Drive and ensure maintenance is complete on company vehicle
  • Maintain and/or prepare reports and/or records including but not limited to:
    • Maintenance and repair records
    • Safety and environmental reports
    • Mechanical drawings
    • Electrical schematics and diagrams
    • Pressure readings
    • Material and supply orders
    • Loop sheets
  • Responsibilities may include Department of Transportation (DOT) covered functions, including operations, calibration documentation, maintenance, or emergency response on a pipeline. Job duties also require the employee to be alert and respond immediately to dangerous or hazardous conditions, and where impaired performance, or failure to follow safety precautions, could result in serious injury or property damage.

Education

  • Associate Degree or certificate in electronics, electrical engineering, or similar preferred. Equivalent experience also considered.

Work Experience

  • Experience in use and function of tools and equipment applicable to position including but not limited to:
    • Hand tools
    • Power tools
    • Electronic test equipment such as DVOM, amp clamp, and mega ohm meter
    • Gauges
    • Control devices
  • Experience and training related to:
    • Petroleum processing fundamentals
    • Computers and Software
    • Governmental rules & regulations
    • National Electric Code
    • Company policies and procedures including safe handling practices for flammable gases, liquids, and high pressure systems
    • Lockout Tagout
    • Reliability Based Programs
  • Experience reading and interpreting maintenance orders, mechanical and electrical drawings, P&ID’s, procedures, charts, diagrams, and equipment manuals
  • Experience preparing, processing, or verifying maintenance and repair records, safety and environmental reports, electrical schematics and diagrams, pressure readings, and material and supply orders

Knowledge, Skills and Abilities

  • Knowledge of: the use and function of reciprocating or gas turbine engines, compressors, and electronic and processing equipment applicable to position
  • Knowledge of: instrumentation, electronics, tools and control systems
  • Ability to: apply addition, subtraction, multiplication, division, and algebraic formulas
  • Ability to: communicate and/or exchange written and verbal information and instructions

Licenses and Certifications

  • None required

Strength Factor Rating - Physical Demands/Requirements

  • Heavy Work - Exerting 50 to 100 pounds of force occasionally and/or 25 to 50 pounds of force frequently and/or 10 to 20 pounds of force constantly to move objects. Physical Demand requirements are in excess of those for Medium Work.

Strength Factor Description - Physical Demands/Requirements

  • Standing: Remaining on one's feet in an upright position at a work station without moving about (Frequently)
  • Walking: Moving about on foot (Frequently)
  • Sitting: Remaining in a seated position (Occasionally)
  • Lifting: Raising or lowering an object from one level to another (includes upward pulling) (Occasionally)
  • Carrying: Transporting an object, usually holding it in the hands or arms, or on the shoulder (Occasionally)
  • Pushing: Exerting force upon an object so that the object moves away from the force (Occasionally)
  • Pulling: Exerting force upon an object so that the object moves toward the force (includes jerking) (Occasionally)
  • Climbing: Ladders, Stairs (Occasionally)
  • Balancing: Maintaining body equilibrium to prevent falling (Occasionally)
  • Stooping: Bending the body downward and forward by bending the spine at the waist (Occasionally)
  • Kneeling: Bending the legs at the knees to come to rest on the knee or knees (Occasionally)
  • Crouching: Bending the body downward and forward by bending the legs and spine (Occasionally)
  • Crawling: Moving about on the hands and arms in any direction (Occasionally)
  • Reaching: Extending hands and arms in any direction (Constantly)
  • Handling: Seizing, holding, grasping, turning or otherwise working with the hand or hands (Manual Dexterity) (Constantly)
  • Fingering: Picking, pinching or otherwise working with the fingers primarily (Finger Dexterity) (Constantly)
  • Feeling: Perceiving such attributes of objects/materials as size, shape, temperature, texture, movement or pulsation by receptors in the skin, particularly those of the finger tips (Constantly)
  • Talking: Expressing or exchanging ideas/information by means of the spoken word (Frequently)
  • Hearing: Perceiving the nature of sound by the ear (Frequently)
  • Tasting/Smelling: (Constantly)
  • Near Vision: Clarity of vision at 20 inches or less (Constantly)
  • Far Vision: Clarity of vision at 20 feet for more (Constantly)
  • Depth Perception: Three-dimensional vision; ability to judge distances and spatial relationships so as to see objects where and as they actually are (Constantly)
  • Vision: Color - The ability to identify and distinguish colors (Constantly)

Working Conditions/Environment

  • Employee is subject to inside and outside environmental conditions

Working Conditions

  • Well lighted, climate controlled areas (Frequently)
  • Outdoor weather conditions (Frequently)
  • Wet or humid conditions (not weather related) (Frequently)
  • Extreme cold (not weather related) (Frequently)
  • Extreme heat (not weather related) (Frequently)
  • Dust, fumes, gases (Frequently)
  • Moving mechanical parts (Frequently)
  • Potential electric shock (Frequently)
  • Prolonged exposure to vibration (Frequently)
  • High pitched noises/loud noises (Frequently)
  • Unprotected heights (Frequently)
  • Frequent repetitive motion (Constantly)
  • CRT (Computer Monitor(s)) (Constantly)

Travel

  • Travel expected within an assigned area, and as required to other locations

Driving

  • Based on assigned tasks, employee may be assigned a company vehicle requiring the applicable driver's license

ONEOK is an equal opportunity employer committed to diversity and inclusion. All qualified applicants will receive consideration for employment without regard to race, color, sex, pregnancy, sexual orientation, age, religion, creed, national origin, gender identity, disability, military/veteran status, genetic information or any other categories protected by applicable law.

The job description is not intended to be a complete list of all responsibilities, duties or skills required for the job and is subject to review and change at any time, with or without notice, in accordance with the needs of ONEOK.

ONEOK is committed to making our workplace accessible to individuals with disabilities and will provide reasonable accommodations, upon request, for individuals to participate in the application and hiring process. To request an accommodation email [email protected] or call 1-855-663-6547.

Expected Salary Range

$79,000.00 - $119,000.00
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